Year	metric tons per capita
1990	3.352091151704954
1991	2.559126480845473
1992	2.0189455465761994
1993	1.8589080977709116
1994	1.994946913381917
1995	2.120996608034464
1996	2.2989445163477145
1997	2.495715407593419
1998	2.4572317065500258
1999	2.5292016490555547
2000	2.5530014026015797
2001	2.4656420561503607
2002	2.365566638863153
2003	2.2884278427679363
2004	2.2596111959294785
2005	2.340177238110871
2006	2.3782150732241445
2007	2.4558808797284306
2008	2.371909853396531
2009	2.3911333546334657
2010	2.4897220359531453
2011	2.441544211684343
2012	2.5369320266789517
2013	2.549971165682808
2014	2.3541333209083706
2015	2.5758441833759647
2016	2.396082811409475
2017	2.3147814496747423
2018	2.3546985746422835
2019	2.157740902667978
2020	2.152769678474728